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Registered
Join Date: Oct 2002
Location: Spain
Posts: 453
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MFI mixture adjustment "click" question
Hi,
I have a doubt, in the CMA manual says that when you adjust the mixture you can turn only 2 or 3 clicks at a time, why? What happens if you turn it more clicks without starting the engine? Thanks, Josep
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1967 911 Soft Window targa 1969 911S 2.0 targa 1977 911S Sunroof coupe 1979 911 Turbo 3.3 |
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08-02-2007, 08:12 AM
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PRO Motorsports
Join Date: Nov 2001
Location: Burbank, CA
Posts: 4,580
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Because one click on the main rack makes a large change. You could turn it more, but it will likely make it more difficult to find the sweet spot.
Keep track of every change so you can go back if you make things worse.
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'69 911E coupe' RSR clone-in-progress (retired 911-Spec racer) '72 911T Targa MFI 2.4E spec(Formerly "Scruffy") 2004 GT3 |
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08-02-2007, 08:18 AM
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Neither of mine click. To my surprise. Is this something to be worried about?
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Mike '99 Isuzu VX, 2005 Audi A4 1.8T Quattro '96 BMW 328ic '73 911T Targa SOLD www.flickr.com/photos/fenderbender813 |
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08-02-2007, 04:25 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,492
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Quote:
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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08-02-2007, 04:47 PM
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Ok no worries. Thanks, Kurt
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Mike '99 Isuzu VX, 2005 Audi A4 1.8T Quattro '96 BMW 328ic '73 911T Targa SOLD www.flickr.com/photos/fenderbender813 |
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08-02-2007, 04:58 PM
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Registered
Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 37,703
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Quote:
Tyson once said you could static tune just about any MFI car by setting the part throttle adjustment 7 (or was it 8 ??) turns from the beginning. Trouble was, I could never find the "beginning". This would be good to know if one ever lost track of where he was. Start over. |
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08-02-2007, 05:08 PM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,492
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Milt I have no idea what keeps it from moving. Although the screw is still spring loaded so maybe that is what keeps it in place. I heard the 7-8 turns out also. Never worked for me. Only thing that ever helped was getting a Gunson Gas Tester so I could see the results as I adjusted.
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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08-02-2007, 05:18 PM
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